package springapp.web;

import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import springapp.service.ProductManager;
import springapp.service.PriceIncrease;

/**
 * @author Ann Raboschuk
 * 
 */
public class PriceIncreaseFormController extends SimpleFormController
{

   /** Logger for this class and subclasses */
   protected final Log logger = LogFactory.getLog(getClass());

   private ProductManager productManager;

   public ModelAndView onSubmit(Object command) throws ServletException
   {

      int increase = ((PriceIncrease) command).getPercentage();
      logger.info("Increasing prices by " + increase + "%.");

      productManager.increasePrice(increase);

      logger.info("returning from PriceIncreaseForm view to "
            + getSuccessView());

      return new ModelAndView(new RedirectView(getSuccessView()));
   }

   protected Object formBackingObject(HttpServletRequest request)
         throws ServletException
   {
      PriceIncrease priceIncrease = new PriceIncrease();
      priceIncrease.setPercentage(20);
      return priceIncrease;
   }

   public void setProductManager(ProductManager productManager)
   {
      this.productManager = productManager;
   }

   public ProductManager getProductManager()
   {
      return productManager;
   }
}
